/*
 * @Author: C.
 * @Date: 2023-03-01 08:54:36
 */
// 数字转展示字符
export function number2String(numer) {
  const amount = (Number(numer) * 100).toFixed();
  const numlen = amount.toString().length;
  if (numlen > 11) {
    // createMessage.error('数值超出范围!请重新输入!');
    numer = 0;
    return Array(11).fill('');
  }
  return Array(11 - numlen)
    .fill('')
    .concat(amount.split(''));
}
// 金额转中文大写
export function smalltoBIG(n) {
  const fraction = ['角', '分'];
  const digit = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖'];
  const unit = [
    ['元', '万', '亿'],
    ['', '拾', '佰', '仟'],
  ];
  const head = n < 0 ? '欠' : '';
  n = Math.abs(n);

  let s = '';

  for (let i = 0; i < fraction.length; i++) {
    s += (digit[Math.floor(n * 10 * Math.pow(10, i)) % 10] + fraction[i]).replace(/零./, '');
  }
  s = s || '整';
  n = Math.floor(n);

  for (let i = 0; i < unit[0].length && n > 0; i++) {
    let p = '';
    for (let j = 0; j < unit[1].length && n > 0; j++) {
      p = digit[n % 10] + unit[1][j] + p;
      n = Math.floor(n / 10);
    }
    s = p.replace(/(零.)*零$/, '').replace(/^$/, '零') + unit[0][i] + s;
  }
  return (
    head +
    s
      .replace(/(零.)*零元/, '元')
      .replace(/(零.)+/g, '零')
      .replace(/^整$/, '零元整')
  );
}
